What will be the elongation of a steel bar 40mm x 40mm square section when it is subjected to an axial tensile load of 200KN, Length is 2m and modulus of elasticity E=200GPA. Answer:
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Q: teel bar of 40 mm x 40 mm square cross section is subjected to an axial compressive load of 200 kN.…
A: Given:Load, P=200 kNcross-section, A=40×40 mm2modulus of elasticity, E=200 GPaLength of the bar, L=2…
Q: Example 1: 14 • A 25 mm square cross-section bar of length 300 mm carries an axial compressive load…
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Q: 4. A steel bar of 40 mm x 40 mm square cross-section is subjected to an axial compressive load of…
A: Given, Cross sectional area = A = 40 mm x 40 mm = 1600 mm2 Axial compressive load = P = 200 kN = 200…
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Q: A steel bar of 40mm x 40mm square cross-section is subjected to an axial compressive load of 200kN.…
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- The rails of a railroad track are welded together at their ends (to form continuous rails and thus eliminate the clacking sound of the wheels) when the temperature is 60°F. What compressive stress ?? =6.5×10-6 /? is produced in the rails when they are heated by the sun to 120"F if the coefficient of thermal expansion a = the modulus of elasticity E = 30 × 106 psi?A rigid bar of length L is supported by a linear elastic rotational spring with rotational stiffness ßRat A. Determine the critical load Pcr for the structure.A prismatic bar of length L = 1.8 m and cross-sectional area A = 480 mm" is loaded by forces P{= 30 kN and A = 60 kN (see figure) The bar is constructed of magnesium alloy having a stress-strain curve described by the Ram berg-Osgood equation: 45.000 618 UW id which u has units of mega pascals (MPa). (a) Calculate the displacement 8t- of the end of the bar when the load P:acts alone. (b) Calculate the displacement when the load P, acts alone. (c) Calculate the displacement when both loads act simultaneously.
- A steel pad supporting heavy machinery rests on Four short, hollow, cast iron piers (see figure). The ultimate strength of the cast iron in compression in 50 ksi. The outer diameter of the piers is d = 4.5 in, and the wall thickness is t = 0.40 in. Using a factor of safety of 3.5 with respect to the ultimate strength, determine the total load P that can be supported by the pad.Rigid bar ACB is supported by an elastic circular strut DC having an outer diameter of 15 in. and inner diameter of 14.4 in. The strut is made of steel with a modulus elasticity of E = 29,000 ksi. Point load P = 5 kips is applied at B. Calculate the change in length of the circular strut DC. What is the vertical displacement of the rigid bar at point B?A round bar of 10 mm diameter is made of aluminum alloy 7075-T6 (see figure). When the bar is stretched by axial forces P, its diameter decreases by 0.0 16 mm. Find the magnitude of the load P. Obtain the material properties from Appendix 1.
- An aluminum bar has length L = 6 ft and diameter d = 1.375 in. The stress-strain curse for the aluminum is shown in Fig. 1.34. The initial straight, line part of the curve has a slope (modulus of elasticity) of 10.6 × 106 psi. The bar is loaded by tensile forces P = 44.6 k and then unloaded. (a) That is the permanent set of the bar? (b) If the bar is reloaded. what is the proportional limit? hint: Use the concepts illustrated in Figs. l.39b and 1.40.A cylindrical rod of steel (E = 207 GPa) having a yield strength of 45,000 psi is to be subjected to a load of 11,100 N. If the length of the rod is 20.0 in., what must be the diameter to allow an elongation of 0.38 mm?A cylindrical rod of copper (E = 110 GPa) having a yield strength of 240 MPa is to be subjected to a load of 7770 N If the length of the rod is 330 mm what must be the diameter to allow an elongation of 0.22 mm& ?
- To support a tensile load of 65 kN, a metallic rod with a circular cross section and a length of 0.32 m will be used. It is required that the tension in the bar does not exceed 240 MPa and the maximum elongation is 0.42 mm. What is the minimum rod diameter [m] in these conditions? (Elasticity for metallic bar take the module as 220 GPa).An axial load of 100 kN is applied to a flat bar 20 mm thick, tapering in width from 120 mm to 40 mm in a length 0f 10 m. Assuming E=200 GPa, determine the total elongation of the bar.To support a tensile load of 65 kN, a circular cross section and A metallic rod with a length of 0.32 m will be used. Stress in bar 240 MPa value and maximum elongation is desired to be 0.42 mm. In these conditions, at least What is the (minimum) rod diameter [m]?(Elasticity for metallic bar Take the module as 220 GPa).